Home / 19,895.59-27,455.78-10,942.87

Finding the Fourth Proportional to 19,895.59, 27,455.78 and 10,942.87

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Solution

The fourth proportional to 19,895.59, 27,455.78 and 10,942.87 is: 15,101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,895.59 : 27,455.78 = 10,942.87 : x
  2. Step 2: Convert to fraction form
    19,895.59/27,455.78 = 10,942.87/x
  3. Step 3: Cross multiply
    19,895.59x = 27,455.78 × 10,942.87
  4. Step 4: Simplify right side
    19,895.59x = 300,444,976.57
  5. Step 5: Solve for x
    x = 300,444,976.57/19,895.59
  6. Step 6: Final answer
    x = 15,101.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.